el21klv
Heat Pump
High-efficiency, digital-ready, variable-capacity cold climate heat pump compatible with 2025 Compliant Refrigerant
ENERGY STAR® Qualified
All Elite models come with a 10-Year Limited Warranty on compressors and a 5-Year Limited Warranty on covered components. A 10-Year Extended Limited Warranty is available with product registration. For more information, visit www.Lennox.com/WarrantyYourWay.
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Ratings & Reviews
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EL21KLV Cold Climate Heat Pump
5/5
4/5
EL21KLV is the best heat pump/AC wisperer
September 05, 2026The EL21KLV heat pump is a very good performer in terms of keeping the temp levelled. Love it us quiet; when working outside close to it, it is wispering. We are still hoping it will keep working as of now if it is stopped two times within 3 weeks, because it lost communication with S40 because it connected via the two wires (via a 24V transformer) to 4 wires (R/C/I+/I-), keeps tripping. Next, the HVAC installer will have to add the 2 hard wires to avoid this tripping of the communication. Too bad for the ceiling added work!
5/5
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